Method isValidJavaIdentifier

src/main/java/matcher/Util.java:243–255

(String s)

	}

	public static boolean isValidJavaIdentifier(String s) {
		if (s.isEmpty()) return false;

		int cp = s.codePointAt(0);
		if (!Character.isJavaIdentifierStart(cp)) return false;

		for (int i = Character.charCount(cp), max = s.length(); i < max; i += Character.charCount(cp)) {
			cp = s.codePointAt(i);
			if (!Character.isJavaIdentifierPart(cp)) return false;
		}

		return true;
	}

	public static int compareNatural(String a, String b) {
		final int lenA = a.length();